@book{800,
	author = {Healey, Joseph F.,},
	title = {Statistics :},
	publisher = {Wadsworth, Thomson Learning,},
	year = {c2002.},
	address = {Belmont, CA :},
	edition = {6th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1515/2001017976-b.html}
}